With the infamous PWN2OWN contest drawing ever closer, the heat is ramping up. This year's instalment pitches Apple's Safari (on the Mac), Google's Chrome, Internet Explorer 8, and Firefox (all on Windows 7) against one another, while also allowing crackers to take on mobile platforms. Last year's winner, Charlie Miller, who won by cracking Mac OS X within minutes last year, says Safari on the Mac will be the first to fall.

"Apple introduced randomization of some library offsets in Mac OS X v10.5, presumably as a stepping stone to fully implementing ASLR at a later date. Their implementation does not provide complete protection against attacks which ASLR is designed to defeat."

"Apple introduced randomization of some library offsets in Mac OS X v10.5, presumably as a stepping stone to fully implementing ASLR at a later date. Their implementation does not provide complete protection against attacks which ASLR is designed to defeat" from wikipedia